#include <iostream>
#include "stock00.h"


Stock::Stock() {
	std::cout << "Default constructor called\n";
	company = "no name";
	shares = 0;
	share_val = 0.0;
	total_val = 0.0;
}

Stock::Stock(const std::string& co, long n, double pr) {
	std::cout << "Constructor using " << co << " called\n";
	company = co;
	if (n < 0) {
		std::cout << "Number of shares can't be negative; "
			<< company << " shares set to 0,\n";
		shares = 0;
	}
	else {
		shares = n;
	}
	share_val = pr;
	set_tot();
}


Stock::~Stock() {
	std::cout << "Bye, " << company << "!\n";
}

void Stock::acquire(const std::string& co, long n, double pr) {
	company = co;
	if (n < 0) {
		std::cout << "Number of shares can't be negative; "
			<< company << " shares set to 0,\n";
		shares = 0;
	}
	else {
		shares = n;
	}
	share_val = pr;
	set_tot();
}

void Stock::buy(long num, double price) {
	if (num < 0) {
		std::cout << "Number of shares purchased cant't be negative. "
			<< "Transaction is aborted.\n";

	}
	else {
		shares += num;
		share_val = price;
		set_tot();
	}
}

void Stock::sell(long num, double price) {
	using std::cout;
	if (num < 0) {
		cout << "Number o shares sold can't be negative."
			<< "Transaction is aborted.\n";

	}
	else if (num > shares) {
		cout << "You can't sell more than you have!"
			<< "Transaction is aborted.\n";
	}
	else {
		shares -= num;
		share_val = price;
		set_tot();
	}
}

void Stock::update(double price) {
	share_val = price;
	set_tot();
}


void Stock::show() {
	std::cout << "Company: " << company
		<< " Shares: " << shares << "\n"
		<< " Share Price: $" << share_val
		<< " Total Worth: $" << total_val << "\n";

}


